<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<form action="" method="">
			学号：<input type="text" name="sno" value="20231080" /><br>
			<button type="submit">提交按钮</button>
			<button type="submit">重置按钮</button>
			<button type="button">空白按钮</button>
		</form>
	</body>
</html>
